Why didn't you clean the house? That was your responsibility!
The responsibility of the great states is to serve and not to dominate the world - Harry S. Truman.
The state, quality, or fact of being responsible.
The liability for an act and the obligation to repair any damage caused by that act; in criminal law, a person’s mental capacity to understand and answer in court for her or his actions; guilt. See also competent and capacity.
(military) The obligation to carry forward an assigned task to a successful conclusion. With responsibility goes authority to direct and take the necessary action to ensuresuccess. (JP 1-02 Department of Defense Dictionary of Military and Associated Terms).